void Update()
{
currentChunkBounds = new Vector4(((int)debugInsert.position.x / insertSize) * insertSize, ((int)debugInsert.position.y / insertSize) * insertSize, ((int)debugInsert.position.z / insertSize) * insertSize, insertSize);
if (Input.GetKeyDown(KeyCode.R))
{
print("Inserting that cube into the octree...");
Chunk c = new Chunk();
c.position = currentChunkBounds;
c.size = (int)currentChunkBounds.w;
octree.AddChunk(c);
}
if (Input.GetKeyDown(KeyCode.D))
{
print("Deleting chunk from octree...");
Chunk c = octree.FindChunk(currentChunkBounds);
octree.RemoveChunk(c);
}
}
public void DoChunkUpdate()
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
Vector3 pos = transform.position;
float updateTime = Time.realtimeSinceStartup;
int numChunksAdded = 0;
int minCoord = -radius + 1;
int maxCoord = radius + 1;
Vector3Int prevMin = Vector3Int.zero;
Vector3Int prevMax = Vector3Int.zero;
int chunkArraySize = 4 * radius;
for (int lod = 0; lod < lods; lod++)
{
int scale = (int)Mathf.Pow(2, lod);
int chunkSize = minimumChunkSize * scale;
int snapSize = lod == (lods - 1) ? chunkSize : chunkSize * 2;
Vector3Int snapped = new Vector3Int(
(int)Mathf.Floor((pos.x + chunkSize / 2) / snapSize) * snapSize,
(int)Mathf.Floor((pos.y + chunkSize / 2) / snapSize) * snapSize,
(int)Mathf.Floor((pos.z + chunkSize / 2) / snapSize) * snapSize);
if (lod == 0)
{
if (initialized && snapped == previousPosition)
{
return; // snapped position didn't change, so no new chunks will be added
}
previousPosition = snapped;
initialized = true;
}
Vector3Int min = Vector3Int.one * ((minCoord - 1) * chunkSize) + snapped;
Vector3Int max = Vector3Int.one * ((maxCoord - 2) * chunkSize) + snapped;
Vector3Int chunkPos = Vector3Int.zero;
for (int x = minCoord; x < maxCoord; x++)
{
chunkPos.x = ((x - 1) * chunkSize) + snapped.x;
bool xInBounds = chunkPos.x >= prevMin.x && chunkPos.x <= prevMax.x;
for (int y = minCoord; y < maxCoord; y++)
{
chunkPos.y = ((y - 1) * chunkSize) + snapped.y;
bool yInBounds = chunkPos.y >= prevMin.y && chunkPos.y <= prevMax.y;
for (int z = minCoord; z < maxCoord; z++)
{
chunkPos.z = ((z - 1) * chunkSize) + snapped.z;
bool zInBounds = chunkPos.z >= prevMin.z && chunkPos.z <= prevMax.z;
if (lod != 0 && (xInBounds && yInBounds && zInBounds))
{
continue;
}
int arrx = ((chunkPos.x / chunkSize) % chunkArraySize + chunkArraySize) % chunkArraySize;
int arry = ((chunkPos.y / chunkSize) % chunkArraySize + chunkArraySize) % chunkArraySize;
int arrz = ((chunkPos.z / chunkSize) % chunkArraySize + chunkArraySize) % chunkArraySize;
Vector4Int key = new Vector4Int(arrx, arry, arrz, lod);
if (chunks[lod][arrx, arry, arrz] == null)
{
Chunk chunk = new Chunk();
chunk.position = chunkPos;
chunk.key = key;
chunk.lod = lod;
chunk.creationTime = updateTime;
chunk.index = arrayMax++;
chunk.size = chunkSize;
numChunksAdded++;
chunks[lod][arrx, arry, arrz] = chunk;
chunkArray[chunk.index] = chunk;
octree.AddChunk(chunk);
}
else
{
chunks[lod][arrx, arry, arrz].creationTime = updateTime;
}
}
}
}
prevMax = max;
prevMin = min;
}
double ElapsedMilliseconds1 = sw.Elapsed.TotalMilliseconds;
sw.Restart();
RemoveOldChunks(updateTime);
UpdateArrayMin();
double ElapsedMilliseconds2 = sw.Elapsed.TotalMilliseconds;
Debug.LogFormat("Chunk Update: S1 {0} ms, S2 {1} ms, Total {2}ms ({3} chunks added)",
ElapsedMilliseconds1, ElapsedMilliseconds2, (ElapsedMilliseconds1 + ElapsedMilliseconds2), numChunksAdded);
sw.Stop();
}
